OpenTechnical

OT-2026-000081331

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000081331) never changes.

Identity and time

Publication numberOT-2026-000081331 · never reused
Internal UUID01a0ae96-f374-7cd5-a5fb-b7742c44e927 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081331
StatusPUBLIC

Content hashes

Canonical text401b6f4f57e3a7380c51f9bb352ed5763ca4e3632701e7064519e4b7bcdd903e
Markdown0d05864b954b23d97c48bd6f754cef761ba044f7e334fff19e6b759734677a38
PDF
Publication page09e9a7c29570da582ac49cced6f58c33f470d2637d5f87e3a16da04d0301ba1e
Manifestb6f7784344926d793630d30277dafa21822e83e4c72ef972c973129bb9fa58f7

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signaturejaot9HR+MExHWl22q/lcaCUcBMZegbgQP2epGqlKjtpP5sT5GPEc1tNlCW2N1ilarKWK0Occ5iGyR6vWJhYJDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:01:27.149524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081331
observed 09e9a7c29570da582ac49cced6f58c33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:27.129128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081331/manifest.json
observed b6f7784344926d793630d30277dafa21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:27.109237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081331/publication.md
observed 0d05864b954b23d97c48bd6f754cef76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:27.091574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081331/publication.txt
observed 401b6f4f57e3a7380c51f9bb352ed576...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.